MakeItFrom.com
Menu (ESC)

EN 1.7767 Steel vs. EN 1.7375 Steel

Both EN 1.7767 steel and EN 1.7375 steel are iron alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.7767 steel and the bottom bar is EN 1.7375 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
20
Fatigue Strength, MPa 320 to 340
270
Impact Strength: V-Notched Charpy, J 46
80
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
74
Shear Strength, MPa 420 to 430
380
Tensile Strength: Ultimate (UTS), MPa 670 to 690
620
Tensile Strength: Yield (Proof), MPa 460 to 500
400

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 480
460
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 40
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.7
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
3.9
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.4
1.8
Embodied Energy, MJ/kg 33
23
Embodied Water, L/kg 64
59

Common Calculations

PREN (Pitting Resistance) 6.4
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 130
110
Resilience: Unit (Modulus of Resilience), kJ/m3 570 to 650
420
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
22
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 11
11
Thermal Shock Resistance, points 19 to 20
18

Alloy Composition

Aluminum (Al), % 0
0.010 to 0.040
Carbon (C), % 0.1 to 0.15
0.1 to 0.15
Chromium (Cr), % 2.8 to 3.3
2.0 to 2.5
Copper (Cu), % 0 to 0.25
0 to 0.25
Iron (Fe), % 93.8 to 95.8
94.5 to 96.7
Manganese (Mn), % 0.3 to 0.6
0.3 to 0.8
Molybdenum (Mo), % 0.9 to 1.1
0.9 to 1.1
Nickel (Ni), % 0 to 0.25
0 to 0.3
Niobium (Nb), % 0 to 0.070
0
Nitrogen (N), % 0 to 0.012
0 to 0.012
Phosphorus (P), % 0 to 0.015
0 to 0.015
Silicon (Si), % 0 to 0.15
0 to 0.3
Sulfur (S), % 0 to 0.0050
0 to 0.010
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0.2 to 0.3
0